---
title: "Engineering Blog: Wastewater Equipment Selection Guides"
description: "Practical guides on DAF, MBR vs MBBR vs A2O, sludge dewatering, drum filter mesh, lamella clarifiers, hypochlorite generators, incinerators and importing from China."
url: https://www.waste-water-equipment-factory.com/blog/
updated: 2026-11-10
---

# Engineering Blog: Wastewater Equipment Selection Guides

Practical guides on DAF, MBR vs MBBR vs A2O, sludge dewatering, drum filter mesh, lamella clarifiers, hypochlorite generators, incinerators and importing from China.

- [Importing Wastewater Equipment from China: Buyer Checklist](https://www.waste-water-equipment-factory.com/blog/importing-wastewater-equipment-from-china-checklist/) (2026-10-13) — A practical checklist for importing wastewater equipment from China: RFQ data, power supply, materials, FAT, packing, Incoterms, spares and warranty.
- [Manure Composting Fermentation Tanks: In-Vessel Process Guide](https://www.waste-water-equipment-factory.com/blog/manure-composting-fermentation-tank-guide/) (2026-10-07) — How vertical in-vessel fermentation tanks turn livestock and poultry manure into organic fertilizer: moisture, C/N ratio, cycle time and odor control.
- [On-Site Sodium Hypochlorite Generator Guide: vs Bleach and Gas](https://www.waste-water-equipment-factory.com/blog/on-site-sodium-hypochlorite-generator-guide/) (2026-09-22) — How on-site electrolytic sodium hypochlorite generators compare with delivered bleach and chlorine gas for safety, salt and power use, and maintenance.
- [Lamella Clarifier Design Basics: Plates, Angles and Loading](https://www.waste-water-equipment-factory.com/blog/lamella-clarifier-design-basics/) (2026-09-09) — How inclined plate and tube settlers work, how projected area and surface loading set capacity, why 55–60° plates are used, and key design checks.
- [How Dissolved Air Flotation Works: DAF vs CAF vs Shallow DAF](https://www.waste-water-equipment-factory.com/blog/how-dissolved-air-flotation-works/) (2026-08-19) — How DAF works, how it compares with cavitation and shallow air flotation, which chemicals it needs, where it is used and what drives sizing.
- [Rotary Drum Filter Mesh Selection: Choosing the Right Micron](https://www.waste-water-equipment-factory.com/blog/rotary-drum-filter-mesh-selection/) (2026-08-05) — How rotary drum filters and micro screens work, how to choose mesh size in microns, and how to apply them in RAS aquaculture, paper mills and pretreatment.
- [MBR vs MBBR vs A2O: Choosing a Package Sewage Treatment Plant](https://www.waste-water-equipment-factory.com/blog/mbr-vs-mbbr-vs-a2o-package-sewage-plant/) (2026-07-28) — Compare MBR, MBBR and A2O package sewage plants for villages, hotels, hospitals and factories by effluent quality, footprint, energy and maintenance.
- [Medical Waste Incinerator Buyer's Guide: Specs That Matter](https://www.waste-water-equipment-factory.com/blog/medical-waste-incinerator-buyers-guide/) (2026-07-14) — How to specify a medical waste incinerator: dual chambers, secondary chamber temperature and residence time, burners, flue gas treatment, sizing and ash.
- [Sludge Dewatering Machine Selection: Screw Press vs Filter Press](https://www.waste-water-equipment-factory.com/blog/sludge-dewatering-machine-selection-guide/) (2026-06-23) — Compare screw press, belt filter press, decanter centrifuge and plate & frame filter press by cake dryness, energy, footprint and best-fit sludges.